oj.uz

Submission #654271

# Submission time Handle Problem Language Result Execution time Memory
654271 2022-10-30T18:47:10 Z hail Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 216 ms 221004 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#define vi vector<int>
#define vll vector<long long>
#define pb push_back
using ll= long long;
#define fast_io ios::sync_with_stdio(0); cin.tie(0)
#define inpint(x) int x; cin>>x
#define inpll(x) long long x; cin>>x
#define fl(i, n) for(int i=0; i<n; i++)
#define flo(i, n) for(int i=1; i<=n; i++)
#define int long long 
#define pi pair<int, int>
#define mp make_pair
#define ld long double

const int MOD = 7 + (int)1e9;
const int INF = (int)1e18;

//

void solve()
{
    int h, w;
    cin>>h>>w;

    // jewel on the square (i, j), an orb on the 
    //square (i, ℓ) and an ingot on
    //the square (k, j)

    vector<vector<int>> grid(h+2, vector<int>(w+2));
    vector<vector<int>> jp(h+2, vector<int>(w+2, 0));
    vector<vector<int>> op(h+2, vector<int>(w+2, 0));

    int ans = 0;

    for(int i=1; i<=h; i++)
    {
        string s;
        cin>>s;
        for(int j=1; j<=w; j++)
        {
            if(s[j-1]=='J') grid[i][j] = 0;
            else if(s[j-1]=='O') grid[i][j] = 1;
            else grid[i][j] = 2;
        }
    }


    for(int i=1; i<=h; i++)
    {
        for(int j=w; j>0; j--)
        {
            jp[i][j] = jp[i][j+1];
            op[i][j] = op[i-1][j];
            if(grid[i][j]==1) jp[i][j]++;
            else if(grid[i][j]==0) op[i][j] += jp[i][j];
            else ans += op[i][j];
        }
    }

    cout<<ans;
}

signed main()
{
    fast_io;

    int t=1; 
    //cin>>t;
    while(t--)
    {
        solve();
    }
    cout<<endl;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 452 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 452 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 6 ms 5096 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 4 ms 3532 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 8 ms 6564 KB Output is correct
19 Correct 5 ms 6220 KB Output is correct
20 Correct 5 ms 6348 KB Output is correct
21 Correct 7 ms 6476 KB Output is correct
22 Correct 5 ms 6228 KB Output is correct
23 Correct 5 ms 6356 KB Output is correct
24 Correct 7 ms 6472 KB Output is correct
25 Correct 5 ms 6228 KB Output is correct
26 Correct 7 ms 6436 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 452 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 6 ms 5096 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 4 ms 3532 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 8 ms 6564 KB Output is correct
19 Correct 5 ms 6220 KB Output is correct
20 Correct 5 ms 6348 KB Output is correct
21 Correct 7 ms 6476 KB Output is correct
22 Correct 5 ms 6228 KB Output is correct
23 Correct 5 ms 6356 KB Output is correct
24 Correct 7 ms 6472 KB Output is correct
25 Correct 5 ms 6228 KB Output is correct
26 Correct 7 ms 6436 KB Output is correct
27 Correct 212 ms 208780 KB Output is correct
28 Correct 2 ms 1236 KB Output is correct
29 Correct 12 ms 16328 KB Output is correct
30 Correct 1 ms 976 KB Output is correct
31 Correct 145 ms 153620 KB Output is correct
32 Correct 144 ms 219656 KB Output is correct
33 Correct 162 ms 220296 KB Output is correct
34 Correct 165 ms 178208 KB Output is correct
35 Correct 154 ms 219656 KB Output is correct
36 Correct 155 ms 220308 KB Output is correct
37 Correct 216 ms 221004 KB Output is correct
38 Correct 107 ms 152560 KB Output is correct
39 Correct 105 ms 153028 KB Output is correct